NO. 1719. TYPE-SPECIES OF AMERICAN DIPTERA—COQUILLETT. 595 



Proctacanthus Macquart, Dipt. Exot., vol. 1, pt. 2, p. 120, 1838. 9 species. 

 Type, ProctaaDithm philadelphicus Macquart, the seventh species, by present designa- 

 tion. * 



Prodiplosis Felt, 23d Rep. State Ent. N. Y., p. 403, 1908. 1 species. Type, Ceci- 

 domyia floricola Felt. 



Promachus Loew, Linn. Ent., vol. 3, p. 390, 1848. 5 species. Type, Asilm 

 maculatus Fabricius, the second species, by present designation. Equals Bactria 

 MeiCxEn, 1820. 



Prorates Melander, Ent. News, vol. 17, p. 372, 1906. 1 species. Type, Prorates 

 claripennis Melander. 



Prorhynchops Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien,voI. 

 58, p. 364, 1891. 1 species. Type, Prorhynchops hilimeki Brauer and Bergenstamm. 

 Prosalpia Pokorny, Wien. Ent. Zeit., vol. 12, p. 54, 1893. 3 species. Type, 

 Anthomyza bilhergi Zetterstedt (as styriaca, new species), the first species, by designa- 

 tion of Coquillett, Journ. N. Y. Ent. Soc, vol. 9, 1901, p. 140. 



Prosena St. Fargeau and Serville, Encycl. Meth., vol. 10, pt. 2, p. 500, 1828. 

 1 species. Type, Stomoxyssiberita Yabricivs. Equals Calirrhoe Meigen, 1800. 



Prospherysa WuLP, Biol. Centr.-Amer. Dipt., vol. 2, p. 116, 1890. 18 species. Type, 

 Prospherysa lemulans Wulp, the first species, by present designation. 



Protcnthes Johannsen, Ent. News, vol. 18, p. 400, 1907. 1 species. Type, Tipula 

 cincta Fabricius {as punctiperinis Meigen). Equals Pelopia Meigen, 1800. 



Prothecus Rondani, Dipt. Ital. Prodr., vol. 1, p. 139, 1856. 1 species. Type, 

 Pipunculus furcatus Egger (as Cephalops aucta Fallen). Equals Dorilas Meigen, 

 1800. 



Prctocalliphora Hough, Ent. News, vol. 10, p. 66, 1899. 1 species. Type, Musca 

 azurea Fallen. Syn., Avihospita Hendel, 1901. 



Proioculex Felt, Mosq. Culic. N. Y. State, p. 391d, 1904. 1 species. Type, Culex 

 serratHs Theobald. Equals Ochlerotatus Arribalzaga, 1891. 



Protomadeaya Theobald, Monogr. Culic. , vol. 4, p. 253, 1907. 1 species. Type, Culex 

 triseriatus Say. Equals Ochlerotatus Arribalzaga, 1891. 



Protophormia Townsend, Smiths. Misc. Coll. , vol. 51, p. 123, 1908. 1 species. Type, 

 Phormia terrsenovx Desvoidy. Equals Phormia Desvoidy, 1830. 



Protoplasa Osten Sacken, Proc. Acad. Nat. Sci. Phila. for 1859, p. 251, 1860. 1 

 species. Type, Protoplasa fitchii Osten Sacken. Syn., Idioplasta Osten Sacken, 1878. 

 Psairoptera Wahlberg, Kongl. Vet. Akad. Handl. for 1838, p. 18, 1839. 4 species. 

 Type, Homalocephala. albitarsis Zetterstedt (as biumbrata, new species), the second 

 species, by designation of Zetterstedt, Dipt. Scand., vol. 6, 1847, p. 2264. Equals 

 Homalocephala Zetterstedt, 1838. 



Psalida Rondani, Dipt. Ital. Prodr., vol. 1, p. 76, 1856. 1 species (in error). In 

 vol. 4, 1861, pp. 91, 92, 2 species (as 3). Type, Ocyptera simplex Fallen, the last 

 species, by designation of Brauer, Verb. Zool.-Bot. Ges. Wien, vol. 43, 1893, p. 

 495. Equals Leucostoma Meigen, 1803 



Psectrodadius Kieffer, Mem. Soc. Sci. Bruxelles, vol. 30, p. 356, 1906. 1 species. 

 Type, Orthodadms psilopterus Kieffer. Equals Orthocladius Wulp, 1874. 



Pselaphephila Becker, Berliner Ent. Zeitschr., vol. 39, p. 122, 1894. 1 species. 

 Type, Pselaphephihi loeiri Becker. 



Pseudacteon Coquillett, Can. Ent., vol. 39, p. 208, 1907. 1 species. Type, 

 Pseudadron crawfordii Coquillett. 



Pseudapinops Coquillett, Proc. U. S. Nat. Mus., vol. 25, p. 108, 1902. 1 species. 

 Type, Pseudapinops nigra Coquillett. 



Pseudatractocera Townsend, Trans. Amer. Ent. Soc. , vol. 19, p. 107, 1892. 1 species. 

 Type, Pseudatradocera neomexicana Townsend. 



